The CORRECT ANSWER is a they needed more slaves
The Oregon Trail was part of the idea of Manifest Dynasty because, Manifest Dynasty was the idea that America should expand into the Western Territory. The Oregon Trail is people who are traveling from the East to the West, so it demonstrates Manifest Dynasty very strongly.
<span>Indeed so: it ranges from the arctic in the far north, to near-tropical swamp lands towards the south. In other parts, rainfall is sufficiently low as for the region be classed as a desert.
These factors, and topography cause the temperature to range to the extremes, and for the wind regimes to similarly range widely.</span>
They can catch fire easily due to the materials that are used to make them
Jean Henri Dunant in <span>1901 <span>Switzerland for discovering the Red Cross</span></span>